Home / 54,749.81-82,093.28-21,430.87

Finding the Fourth Proportional to 54,749.81, 82,093.28 and 21,430.87

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Solution

The fourth proportional to 54,749.81, 82,093.28 and 21,430.87 is: 32,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.81 : 82,093.28 = 21,430.87 : x
  2. Step 2: Convert to fraction form
    54,749.81/82,093.28 = 21,430.87/x
  3. Step 3: Cross multiply
    54,749.81x = 82,093.28 × 21,430.87
  4. Step 4: Simplify right side
    54,749.81x = 1,759,330,411.55
  5. Step 5: Solve for x
    x = 1,759,330,411.55/54,749.81
  6. Step 6: Final answer
    x = 32,134.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.